Dayco 70936 Radiator Coolant Hose - Lower

Overview of Dayco Curved Radiator Hose 70936

The Dayco Curved Radiator Hose 70936 is designed for reliable coolant flow in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this dual inside diameter hose supports efficient cooling system performance in models like the Firebird, Monte Carlo, and Cutlass Supreme.

• Constructed from high-quality EPDM for heat and chemical resistance
• Dual inside diameters: 1 1/2 inch and 1 3/4 inch ends for precise fitment
• Black color for standard OEM appearance
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 15 inches for proper routing in engine bay

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator connections. This product line ensures compatibility with various cooling system layouts, reducing the need for modifications. The 70936 part exemplifies this with its tailored dimensions and material compliance, suitable for multiple GM vehicle models.

Product Description and Attributes

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. The hose features two different inside diameters—1 1/2 inch on one end and 1 3/4 inch on the other—allowing it to connect components with varying sizes. Its black color matches OEM standards, and it does not include a heat shield or protective sleeve. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Compatible Vehicles and Applications

• Buick models including Century, Regal, and LeMans
• Chevrolet models such as Malibu, Monte Carlo, and El Camino
• Oldsmobile models including Cutlass, Cutlass Supreme, and Cutlass Calais
• Pontiac models like Firebird, Grand Prix, and Bonneville

Common Issues Addressed by Dayco Radiator Hose 70936

• Replacement of cracked or leaking radiator hoses
• Resolving coolant flow restrictions due to hose deformation
• Upgrading worn or brittle hoses to maintain cooling efficiency
• Fixing improper hose fitment with dual inside diameter design
• Preventing overheating caused by coolant leaks or hose failure

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose. Verify the hose ends match the radiator and engine fittings by checking the inside diameters of 1 1/2 inch and 1 3/4 inch. Use appropriate clamps to secure the hose and avoid overtightening, which can damage the hose. Inspect surrounding components for wear during installation and replace clamps if necessary.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70936 to meet SAE specifications, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Confirm warranty terms with the supplier or manufacturer documentation.